Who said anything about safety? I was meaning more along the lines of having things in common; there's a lot of time for chatting and a lot of listening to music. While I find the music they play at my local beer store interesting, I wouldn't want to spend half the drive to Winnipeg listening to that music.
I'll give you that "Christian" may have been a little off, but I took that to mean "clean cut and not a jerk." Also means that if we stop to grab a pizza along the way I don't have to worry about him not wanting to split a meat lovers.